Any time there is a tram to get from one Vegas hotel to another, you should take it. Always a good break from walking the strip when you're out all day. This tram runs all hours of the day and a good portion of the night as well. The tram that I was on was very clean and wasn't real crowded. Not sure if it would be pleasant during times when people are crammed in on a super hot day, but its best to avoid Vegas during those times anyway.